diff --git a/src/backend/parser/parse_utilcmd.c b/src/backend/parser/parse_utilcmd.c
index 15d8f3a1a0..ea0fe6f811 100644
--- a/src/backend/parser/parse_utilcmd.c
+++ b/src/backend/parser/parse_utilcmd.c
@@ -1041,7 +1041,7 @@ transformTableLikeClause(CreateStmtContext *cxt, TableLikeClause *table_like_cla
 	AclResult	aclresult;
 	char	   *comment;
 	ParseCallbackState pcbstate;
-	bool		process_notnull_constraints;
+	bool		process_notnull_constraints = false;
 
 	setup_parser_errposition_callback(&pcbstate, cxt->pstate,
 									  table_like_clause->relation->location);